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19:49:39 +0200 Received: from [10.151.73.41] ([10.151.73.41]) by fihe3nok0734.emea.nsn-net.net (8.14.9/8.14.5) with ESMTP id w2DHncYc023237; Tue, 13 Mar 2018 19:49:39 +0200 X-HPESVCS-Source-Ip: 10.151.73.41 Subject: Re: [PATCH v4 2/2] ARM: ftrace: Add MODULE_PLTS support To: Ard Biesheuvel CC: linux-arm-kernel , Linux Kernel Mailing List , Russell King , Steven Rostedt , Ingo Molnar References: <20180313135314.18780-1-alexander.sverdlin@nokia.com> <20180313135314.18780-3-alexander.sverdlin@nokia.com> <5d3ae760-45bd-3588-500f-1b352e1722de@nokia.com> <60156300-b74a-628c-d296-7fb71a0eeb4f@nokia.com> From: Alexander Sverdlin Message-ID: Date: Tue, 13 Mar 2018 18:49:38 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-Forefront-Antispam-Report: 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1;AM5PR0701MB2388;7:lZaqnwh9A1f0Af0ColFwfreGLT23OdhZtSn2X8IcSjAFXMFmq/bAd59RAzvG8zaPS3FzRJz6U9ceQdK8RLnSq2n+6jseiP+ZWhVVvCu+LFUh4kKFazlw7fbsvqFEEpsbdiJoXDHbp/RiwO/KPxPcP3Lcx8OmGNzeLgiVNV47zrzeY8Rvs77XL3aGjjIa4zC53UeV+eiEGFr1hxDuEukc+JEU/QsDkyiVljKkelQdV6VlvtiTdQpBHkI2CojDHJw8 X-OriginatorOrg: nokia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Mar 2018 17:50:06.9687 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 5cd068c1-c351-4876-d3b8-08d5890adbbe X-MS-Exchange-CrossTenant-Id: 5d471751-9675-428d-917b-70f44f9630b0 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=5d471751-9675-428d-917b-70f44f9630b0;Ip=[131.228.2.240];Helo=[mailrelay.int.nokia.com] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR0701MB2388 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 13/03/18 18:39, Ard Biesheuvel wrote: > if (IS_ENABLED(CONFIG_ARM_MODULE_PLTS)) > module_plt_alloc_fixed(); Do you consider this a legal C code if without module-plts.o the function would not exist at all? That's too much relying on optimizer I think... -- Best regards, Alexander Sverdlin.